The toughest case yet for Greywalker and P.I. Harper Blaine, "a great heroine" (New York Times bestselling author Charlaine Harris), has arrived. Harper Blaine was your average small-time P.I. until she died - for two minutes. Now Harper is a Greywalker - walking the line between the living world and the paranormal realm. And she's discovering that her new abilities are landing her in all sorts of "strange cases." But for Harper, her own case may prove the most difficult to solve. Why did she - as opposed to others with near-death experiences - become a Greywalker? When Harper digs into her own past, she unearths some unpleasant truths about her father's early death as well as a mysterious puzzle. Forced by some very demanding vampires to take on an investigation in London, she soon discovers her present troubles in England are entangled with her dark past back in Seattle - and her ultimate destiny as a Greywalker.

For Seattle investigator Harper Blaine, her own case may prove the most difficult to solve. Why did she--as opposed to others with near-death experiences--become a Greywalker? When she begins digging into her own past, she unearths some unpleasant truths about her father's early death as well as a mysterious puzzle. She sets out to find his ghost, but encounters only a void where he should be, leaving her with more unanswered questions.--From publisher's description.